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Finding the Fourth Proportional to 303,749.97, 419,173.29 and 167,793.27

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Solution

The fourth proportional to 303,749.97, 419,173.29 and 167,793.27 is: 231,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,749.97 : 419,173.29 = 167,793.27 : x
  2. Step 2: Convert to fraction form
    303,749.97/419,173.29 = 167,793.27/x
  3. Step 3: Cross multiply
    303,749.97x = 419,173.29 × 167,793.27
  4. Step 4: Simplify right side
    303,749.97x = 70,334,457,025.76
  5. Step 5: Solve for x
    x = 70,334,457,025.76/303,749.97
  6. Step 6: Final answer
    x = 231,553.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.